AIST REPORT 2012

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※PRTR LawOfficially, the law is called “Law Concerning Reporting, etc. of Releases to the Environment of Specific Chemical Substances and Promoting Improvements in Their Management.” Business establishments that handle any of the 462 PRTR chemical substances in quantities of 1 ton or more per year (0.5 ton or more for some chemical substances) must report its release into the environment and its transfer to another business establishment (sold or transferred for treatment or disposal).Appropriate Chemical Substance ManagementWe perform appropriate chemical substance management to reduce environmental risk and to ensure safetyIntegrated Chemical Substance Management SystemWe have created and operated the Integrated Chemical Substance Management System to allow researchers to manage a variety of chemical substances used in research activities according to their properties and regulations.Regulatory codes applicable to chemical substances are incorporated in the system. In FY2011, as a result of the amendment of the Water Pollution Control Act, regulated chemical substances specified in the Act were added to the codes. Information on the rooms where regulated chemical substances are stored can be obtained using the codes.As AIST conducts research in a wide variety of fields, it uses a variety of chemical substances in small quantities. Care is taken to properly use and store chemical substances to prevent accidents and spills or leaks, as well as to properly treat them before disposal.Treatment of liquid waste and exhaust gasLiquid waste: At AIST Tsukuba, liquid waste is detoxified in the treatment plant on the premises and discharged into the public sewer. In other regional research bases, the treatment of liquid waste is contracted out to an industrial waste treatment service provider.Exhaust gas: Chemical substances generating harmful vapors are handled in a fume hood and the vapors are discharged through an exhaust detoxification system. Information on what chemical substances must be handled in a fume hood and detoxified is provided to researchers using the Integrated Chemical Substance Management System described below.Information on Released Chemical SubstancesWe report the release and transfer of relevant chemical substances to municipalities in accordance with the PRTR Law* and municipal ordinances. Chemical substances subject to reporting are mainly organic solvents used to dissolve and extract a variety of organic compounds. Other chemical substances subject to reporting are hydrogen fluoride used to wash semiconductors and dioxins from spray incinerators for organic liquid waste.Amount reported under the Chemical Substance Management ProgramLocationHandled SewerWasteReleasedAir TransferredChemical SubstanceDioxins(mg-TEQ)Chloroform(kg)n-hexane(kg)Hydrogen fluoride and its water soluble salts (kg)Ferric chloride(kg)Acetone(kg)Chloroform(kg)Methanol(kg)Tsukuba Central 11,3281,1254,107 90,530130 200 1,200 0.052 67014034 9 350 160 10050 98190890Release and transfer of PRTR chemical substances (handled amount exceeds 1ton)【Tokyo】Release and transfer of chemical substances subject to the Tokyo Metropolitan Environmental Ordinance to Ensure the Health and Safety of the People of Tokyo (used amount exceeds 100 kg)AIST Kansai【Osaka】Osaka Prefectural Ordinance on the Preservation of Living Environment (handled amount exceeds 1ton)VOC(kg)2,600 430 2,200Tsukuba Central 5Tsukuba WestLocationHandled SewerWasteReleasedAir TransferredChemical SubstanceLocationHandled SewerWasteReleasedAir TransferredChemical SubstanceAIST Tokyo Waterfront54|Environmental ReportChemical Substance ManagementEnvironmental Report

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